Implement a 'complete_cmd' function to complete commands. This is needed by the following patch; the new function provides a site for the logic needed to correctly handle REQUEST SENSE commands. Signed-off-by: Finn Thain Reviewed-by: Hannes Reinecke Tested-by: Ondrej Zary Tested-by: Michael Schmitz --- drivers/scsi/NCR5380.c | 31 ++++++++++++++++++++++------ drivers/scsi/atari_NCR5380.c | 46 ++++++++++++++++++++++++++++--------------- 2 files changed, 55 insertions(+), 22 deletions(-) Index: linux/drivers/scsi/atari_NCR5380.c =================================================================== --- linux.orig/drivers/scsi/atari_NCR5380.c 2016-01-03 16:04:20.000000000 +1100 +++ linux/drivers/scsi/atari_NCR5380.c 2016-01-03 16:04:24.000000000 +1100 @@ -765,6 +765,27 @@ static void NCR5380_exit(struct Scsi_Hos } /** + * complete_cmd - finish processing a command and return it to the SCSI ML + * @instance: the host instance + * @cmd: command to complete + */ + +static void complete_cmd(struct Scsi_Host *instance, + struct scsi_cmnd *cmd) +{ + struct NCR5380_hostdata *hostdata = shost_priv(instance); + + dsprintk(NDEBUG_QUEUES, instance, "complete_cmd: cmd %p\n", cmd); + +#ifdef SUPPORT_TAGS + cmd_free_tag(cmd); +#else + hostdata->busy[scmd_id(cmd)] &= ~(1 << cmd->device->lun); +#endif + cmd->scsi_done(cmd); +} + +/** * NCR5380_queue_command - queue a command * @instance: the relevant SCSI adapter * @cmd: SCSI command @@ -1352,10 +1373,7 @@ static int NCR5380_select(struct Scsi_Ho spin_lock_irq(&hostdata->lock); NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE); cmd->result = DID_BAD_TARGET << 16; -#ifdef SUPPORT_TAGS - cmd_free_tag(cmd); -#endif - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); dprintk(NDEBUG_SELECTION, "scsi%d: target did not respond within 250ms\n", HOSTNO); return 0; @@ -1866,7 +1884,7 @@ static void NCR5380_information_transfer sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); return; #endif case PHASE_DATAIN: @@ -1926,7 +1944,7 @@ static void NCR5380_information_transfer sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); /* XXX - need to source or sink data here, as appropriate */ } else { #ifdef REAL_DMA @@ -1982,8 +2000,6 @@ static void NCR5380_information_transfer if (ta->queue_size > ta->nr_allocated) ta->queue_size = ta->nr_allocated; } -#else - hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun); #endif /* @@ -2021,8 +2037,13 @@ static void NCR5380_information_transfer dsprintk(NDEBUG_AUTOSENSE | NDEBUG_QUEUES, instance, "REQUEST SENSE cmd %p added to head of issue queue\n", cmd); +#ifdef SUPPORT_TAGS + cmd_free_tag(cmd); +#else + hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun); +#endif } else { - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); } /* @@ -2193,15 +2214,10 @@ static void NCR5380_information_transfer hostdata->last_message = msgout; NCR5380_transfer_pio(instance, &phase, &len, &data); if (msgout == ABORT) { -#ifdef SUPPORT_TAGS - cmd_free_tag(cmd); -#else - hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun); -#endif hostdata->connected = NULL; cmd->result = DID_ERROR << 16; + complete_cmd(instance, cmd); maybe_release_dma_irq(instance); - cmd->scsi_done(cmd); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); return; } Index: linux/drivers/scsi/NCR5380.c =================================================================== --- linux.orig/drivers/scsi/NCR5380.c 2016-01-03 16:04:20.000000000 +1100 +++ linux/drivers/scsi/NCR5380.c 2016-01-03 16:04:24.000000000 +1100 @@ -726,6 +726,24 @@ static void NCR5380_exit(struct Scsi_Hos } /** + * complete_cmd - finish processing a command and return it to the SCSI ML + * @instance: the host instance + * @cmd: command to complete + */ + +static void complete_cmd(struct Scsi_Host *instance, + struct scsi_cmnd *cmd) +{ + struct NCR5380_hostdata *hostdata = shost_priv(instance); + + dsprintk(NDEBUG_QUEUES, instance, "complete_cmd: cmd %p\n", cmd); + + hostdata->busy[scmd_id(cmd)] &= ~(1 << cmd->device->lun); + + cmd->scsi_done(cmd); +} + +/** * NCR5380_queue_command - queue a command * @instance: the relevant SCSI adapter * @cmd: SCSI command @@ -1171,7 +1189,7 @@ static int NCR5380_select(struct Scsi_Ho spin_lock_irq(&hostdata->lock); NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE); cmd->result = DID_BAD_TARGET << 16; - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); dprintk(NDEBUG_SELECTION, "scsi%d : target did not respond within 250ms\n", instance->host_no); @@ -1759,7 +1777,7 @@ static void NCR5380_information_transfer sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); return; #endif case PHASE_DATAIN: @@ -1804,7 +1822,7 @@ static void NCR5380_information_transfer sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); /* XXX - need to source or sink data here, as appropriate */ } else cmd->SCp.this_residual -= transfersize - len; @@ -1834,7 +1852,6 @@ static void NCR5380_information_transfer cmd, scmd_id(cmd), cmd->device->lun); hostdata->connected = NULL; - hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xFF)); /* * I'm not sure what the correct thing to do here is : @@ -1870,8 +1887,9 @@ static void NCR5380_information_transfer dsprintk(NDEBUG_AUTOSENSE | NDEBUG_QUEUES, instance, "REQUEST SENSE cmd %p added to head of issue queue\n", cmd); + hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xFF)); } else { - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); } /* @@ -2018,10 +2036,9 @@ static void NCR5380_information_transfer hostdata->last_message = msgout; NCR5380_transfer_pio(instance, &phase, &len, &data); if (msgout == ABORT) { - hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xFF)); hostdata->connected = NULL; cmd->result = DID_ERROR << 16; - cmd->scsi_done(cmd); + complete_cmd(instance, cmd); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); return; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/